On Wed, Apr 19, 2023 at 04:09:29PM +0200, Johannes Thumshirn wrote: > Now that all users of bio_add_page check for the return value, mark > bio_add_page as __must_check. Should probably add __must_check to bio_add_folio too? If this is really the way you want to go ... means we also need a __bio_add_folio().